The answer is C
if you kill all the sea otters (which is wrong) then there is nothing to kill the sea urchins which then the sea urchin population will increase. Because sea urchins feed on kelp and there are so many of sea urchins, it requires more kelp to be eaten. Last, the kelp population is low because all the sea urchins ate most of the kelp
Answer:
The hardy lichens are useful bioindicators for air pollution, espeially sulfur dioxide pollution, since they derive their water and essential nutrients mainly from the atmosphere rather than from the soil.
Explanation:
It also helps that they are able to react to air pollutants all year round.
Hope I helped!
Brainliest?
The correct answer is: [D]: " low-growing " .
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